AIR BYPASS VALVE INSPECTION [MZR 2.3 DISI Turbo]


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1.  Remove the air bypass valve. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZR 2.3 DISI Turbo].)

2.  Connect the vacuum pump to the vacuum ports of the air bypass valve.

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3.  Verify that the airflow is as indicated in the table.

Vacuum

(kPa {mmHg, inHg})

Valve operation condition

Airflow between port A—B

–66 {–495, –19}
or more
Open
Yes
–49 {–368, –14}
or less
Closed
No

Approx. value

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•  If there is any malfunction, replace the air bypass valve. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZR 2.3 DISI Turbo].)